Miniature Circuit Breaker

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Technical Data
◆Number of poles:1,2,3,4,1+N,3+N
◆Nominal current In(A): 1,2,3,4,6,8,10,13,16,20,25,32,40,50,63
◇B The short-circuit release is to be set up to 3 In through 5 In.It serves especially for protection of circuits with such devices which do not cause any current surges(lights or socket circuits etc.)
◇C The short-circuit release is to be set up to 5 In through 10 In.It serves especially for protection of circuits with such devices which cause some current surges(groups of bulbs, motors etc.)
◇D The short-circuit release is to be set up to 10 In through 20 In. It serves especially for protection of circuits with devices which cause high current surges(transformers,double-pole motors,motors with heavy start etc.)
◆Nominal voltage:
◇1P (single-pole)~230/400V 50/60Hz
◇3P (three-pole)~400V 50/60Hz
◆Rupturing capacity:
◇EN60898-10,000A(nominal short-circuit and operational rupturing capacity)
◆Protection:IP40 for a sole MCB with its design, it protects against a hazardous finger or instrument touch as well as against very small foreign objects; It is without any protection against water leakage (water protection is to be solved with design of the switchboard casing)
◆Ambient temperatue: -5oC to +40oC pursuant to EN60898
◆Gauging temperature:+30oC pursuant to EN60898
◆Max.pre-inserted fuse:100AgG(>10kA)
◆Mechanical lifetime:≤20,000 cycles
◆Electrical lifetime:≤8,000 cycles
◆Fastening:By means of an unique snap mechanism(with arrestment in final positions)the carrying DIN strip EN50022,width 35mm, or even onto the falt surface by means of screws.
◆Removal form the DIN strip:
◇By means of an unique auxiliary snap mechanism, the MCB誷 can be removed even from a row of devices mutually interconnected by a forked or reed rack strip without necessity to dismantle the whole interconnecting strip.
◆Input terminals:
◇Clip terminals(with barrier layer), snap-locked against the worse input of a conductor
◇The input and output can be interchanged
◇They enable more conductors as well as interconnecting strips to be connected
◆Connect ability of conductors (Maximum cross-sections):
◇35mm2 solid conductor
◇25mm2 stranded conductor
◆Terminal protection:IP20
◆Tightening moment for terminals
◇2Nm(combined slotted-head screw)
◆Manufacture standard
◇EN60898,same to IEC 60898
◆Selectivity calss:3
◆Colored levers:
For better distinction among circuits in the switchboards,we supply also miniature circuit breaker with distinction of nominal currents by means of colored levers corresponding to the colors of turn fuses
◇8A(Light green)
◆Can be delivered also with only black levers

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Q:What is the capacity of the circuit breaker
The blocking capacity is typically used to characterize the switching capability of the switching element in the short-circuited state.
Q:What is the role of the circuit breaker?
when the current exceeds its rated (Suzhou) Co., Ltd. production of "Samui" brand circuit breakers, contactors, dual power switch, load disconnector, fire monitoring detectors, control and protection switches,
Q:Does the isolator and circuit breaker able to switch to each other?
When the circuit breaker disconnect the live circuit, the internal contact in the separation of the moment will produce an arc, the higher the voltage or the greater the current, the stronger the arc.
Q:Is the isolator switchable with a circuit breaker?
Disconnector: similar to the knife switch, no to prevent overcurrent, short circuit function, no arc device;
Q:How to choose a circuit breaker for home and small office circuits
The test button should be tested once a month to check the function of the leakage connector.
Q:What circuit symbols are used for circuit breakers
Residual current protection device (hereinafter referred to as the NLD), which detects the residual current,
Q:How to protect the leakage protector leakage protection?
Capture leakage, electric shock and other ground fault current. Trip and strokes according to its breaking reaction time cut off the power
Q:How is the circuit breaker connected to the circuit system diagram?
Disconnector: similar to the knife switch, no to prevent overcurrent, short circuit function, no arc device; can not disconnect the load current and short circuit current
Q:Short trip also tripped, overload also trip it?
The first no overload and short circuit protection only leakage protector, also known as RCD leakage switch
Q:What is the common circuit switch called switch
Manual and electric operation are, with the development of microelectronics technology, the current part of the intelligent circuit breaker with a regional

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